/Engine/Plugins/Experimental/GeometryScripting/Source/GeometryScriptingCore/Public/GeometryScript/MeshSelectionQueryFunctions.h
Compute the set of Vertex Loops bordering a Mesh Selection. Both the 3D polylines and lists of vertex indices are returned for each Loop. Note that for a Vertex selection this will function return the border loops around the set of vertex triangle one-rings.
static [UDynamicMesh](API\Runtime\GeometryFramework\UDynamicMesh) * GetMeshSelectionBoundaryLoops ( [UDynamicMesh](API\Runtime\GeometryFramework\UDynamicMesh) * TargetMesh, [FGeometryScriptMeshSelection](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptMeshSelection) Selection, [TArray](API\Runtime\Core\Containers\TArray)< [FGeometryScriptIndexList](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptIndexList) > & IndexLoops, [TArray](API\Runtime\Core\Containers\TArray)< [FGeometryScriptPolyPath](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptPolyPath) > & PathLoops, int & NumLoops, bool & bFoundErrors, [UGeometryScriptDebug](API\Plugins\GeometryScriptingCore\GeometryScript\UGeometryScriptDebug) * Debug )